Home / 877,242,822.10-1,315,864,233.15-739,493,314.90

Finding the Fourth Proportional to 877,242,822.10, 1,315,864,233.15 and 739,493,314.90

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Solution

The fourth proportional to 877,242,822.10, 1,315,864,233.15 and 739,493,314.90 is: 1,109,239,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,242,822.10 : 1,315,864,233.15 = 739,493,314.90 : x
  2. Step 2: Convert to fraction form
    877,242,822.10/1,315,864,233.15 = 739,493,314.90/x
  3. Step 3: Cross multiply
    877,242,822.10x = 1,315,864,233.15 × 739,493,314.90
  4. Step 4: Simplify right side
    877,242,822.10x = 973,072,803,730,440,064
  5. Step 5: Solve for x
    x = 973,072,803,730,440,064/877,242,822.10
  6. Step 6: Final answer
    x = 1,109,239,972.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.